South Korean popular actress and also a singer, who has recently gained fame in a hit drama, Pure in Heart (열 아홉 순정) as a starring role, Gukhwa and also sang the title song of it. She is well-known for portraying Geum Jan Di in KBS 2TV's drama Boys Over Flowers together with Lee Min Ho, Kim Hyun Joong, Kim Bum and Kim Joon. Goo Hye Sun also starred in many other roles.

Koo Hye Sun is a multi-talented South Korean actress, commercial model, host, singer, writer, illustrator and director. She started as an uljjang or a cyber age Cinderella in which netizens voted her as "Best Face" via a photo posted on the internet paving the way for her celebrity status.